As alien invaders plot to conquer the Earth, two Boy Scouts steal a mini-submarine and discover Gamera in their midst. Transported to the alien's spaceship, the Scouts are menaced by the evil inhabitants, including Viras, a squid-like monster that grows to colossal size to battle Gamera.
CAST
Yoshirō KitaharaMasao's Father
Munehiko TakadaJim's Father
Mary MorrisJim’s Mother
Chikara HashimotoDoctor 1
Kenji GoDoctor 2
Ken NakaharaDoctor 4
